285944 (2001 RZ11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5063047856 ± 2.43e-09
Semi-major axis (a)2.1921919637 AU ± 8.71e-10
Inclination (i)53.10578838° ± 2.69e-06
Long. of Asc. Node (Ω)323.98124740° ± 4.93e-07
Arg. of Perihelion (ω)340.56864453° ± 2.34e-06
Mean Anomaly (M)174.70738575° ± 1.04e-06
Mean Motion (n)0.3036647661°/day ± 1.81e-10
Perihelion dist (q)1.08227468 AU ± 5.35e-09
Aphelion dist (Q)3.30210925 AU ± 5.49e-09
Orbital Period3.24577097 yr ± 1.93e-09
Physical Parameters
H (abs. magnitude)16.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.212″
Uncertainty0
Orbit TypeAmor
MOID0.088085 AU
Observations Used839
Radar Obs Used5
Gaia Obs Used57
Oppositions11
Arc Total2001-2017
First Observation Used2001-09-10
Last Observation Used2026-01-10
Observations (957)
Date Type RA Dec Mag Band Observatory
2001-10-01 04:15:38 C 18 34 52.56 +29 27 28.3 d 649
2001-10-01 04:48:02 C 18 34 54.10 +29 27 54.5 d 649
2001-10-06 18:49:33 C 18 41 38.31 +31 06 28.6 c 118
2001-10-06 18:52:38 C 18 41 38.48 +31 06 30.7 c 118
2001-10-06 18:56:26 C 18 41 38.66 +31 06 33.4 c 118
2001-10-10 18:07:20 C 18 46 39.72 +32 05 04.9 c 118
2001-10-10 18:11:07 C 18 46 39.90 +32 05 07.4 c 118
2001-10-10 18:17:32 C 18 46 40.27 +32 05 11.1 c 118
2001-10-12 17:57:00 C 18 49 16.00 +32 31 48.3 c 118
2001-10-12 18:00:02 C 18 49 16.15 +32 31 49.7 c 118
2001-10-12 18:01:55 C 18 49 16.28 +32 31 50.6 c 118
2001-10-15 02:08:32 C 18 52 24.21 +33 01 18.9 18.5 c 704
2001-10-15 02:31:12 C 18 52 25.45 +33 01 30.1 19.0 c 704
2001-10-15 02:53:48 C 18 52 26.61 +33 01 41.7 18.8 c 704
2001-10-15 03:38:59 C 18 52 29.15 +33 02 04.4 18.8 c 704
2001-10-16 02:24:57 C 18 53 47.04 +33 13 30.0 18.9 c 704
2001-10-16 02:49:05 C 18 53 48.39 +33 13 41.7 18.9 c 704
2001-10-16 03:14:18 C 18 53 49.72 +33 13 54.7 19.0 c 704
2001-10-16 03:40:11 C 18 53 51.17 +33 14 05.6 19.2 c 704
2001-11-17 17:34:15 C 19 47 25.22 +38 30 40.2 c 540
2001-11-17 18:16:05 C 19 47 28.56 +38 30 54.2 c 540
2002-01-02 01:19:18 C 21 32 33.36 +46 14 21.6 c 649
2002-01-02 01:47:47 C 21 32 36.56 +46 14 34.0 c 649
2002-12-13 11:06:21 C 10 22 49.596 +42 40 12.79 645
2002-12-13 11:11:07 C 10 22 49.546 +42 40 13.62 645
2002-12-31 08:56:10 C 10 07 37.24 +44 17 48.5 c 696
2002-12-31 09:08:40 C 10 07 36.51 +44 17 51.1 c 696
2004-03-11 10:00:40 C 09 36 30.27 -27 15 30.4 c 474
2004-03-11 10:03:19 C 09 36 30.02 -27 15 30.3 c 474
2004-03-11 10:07:30 C 09 36 29.69 -27 15 31.6 c 474
2004-03-11 10:09:50 C 09 36 29.44 -27 15 31.2 c 474
2004-03-11 10:15:00 C 09 36 28.96 -27 15 30.7 c 474
2010-02-11 08:44:21 C 09 44 34.378 +16 13 03.32 L F51
2010-02-11 08:59:18 C 09 44 33.387 +16 13 02.55 L F51
2010-02-14 06:23:59 C 09 39 59.03 +16 08 58.1 u 448
2010-02-14 07:18:08 C 09 39 55.36 +16 08 54.5 u 448
2010-02-14 08:08:32 C 09 39 51.99 +16 08 50.8 u 448
2010-02-16 03:32:51 C 09 37 00.64 +16 06 00.1 o 691
2010-02-16 03:58:20 C 09 36 58.96 +16 05 57.8 o 691
2010-02-16 04:23:50 C 09 36 57.26 +16 05 56.7 o 691
2010-02-20 04:09:51 C 09 30 40.89 +15 58 44.8 o 691
2010-02-20 05:05:53 C 09 30 37.21 +15 58 41.3 o 691
2010-03-13 07:22:41 C 09 01 08.32 +14 59 47.4 r G96
2010-03-13 07:37:25 C 09 01 07.64 +14 59 44.8 r G96
2010-03-13 07:52:16 C 09 01 06.88 +14 59 42.7 r G96
2010-03-13 08:07:10 C 09 01 06.13 +14 59 40.1 r G96
2010-03-15 05:11:12 C 08 58 57.82 +14 52 49.7 r G96
2010-03-15 05:23:14 C 08 58 57.25 +14 52 49.2 r G96
2010-03-15 05:35:18 C 08 58 56.71 +14 52 46.5 r G96
2010-03-15 05:47:28 C 08 58 56.17 +14 52 44.9 r G96
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-08-18 07:50:00 90013723 10 us 8560 -14 -14
2014-08-18 08:40:00 90150731 2 us 8560 -14 -14
2014-08-21 02:13:00 110568796.37 4 us 2380 -1 -1
2014-08-22 01:55:00 121545101.28 1 us 2380 -1 -1
2014-08-24 01:21:00 146858532.18 1 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)